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git: Attribute reverts to the user doing the revert, not the wiki itself
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1 #!/usr/bin/perl
2 use warnings;
3 use strict;
5 use Test::More;
7 BEGIN {
8         my $git = `which git`;
9         chomp $git;
10         plan(skip_all => 'git not available') unless -x $git;
12         plan(skip_all => "CGI not available")
13                 unless eval q{
14                         use CGI qw();
15                         1;
16                 };
18         plan(skip_all => "IPC::Run not available")
19                 unless eval q{
20                         use IPC::Run qw(run);
21                         1;
22                 };
24         use_ok('IkiWiki');
25         use_ok('YAML::XS');
26 }
28 # We check for English error messages
29 $ENV{LC_ALL} = 'C';
31 use Cwd qw(getcwd);
32 use Errno qw(ENOENT);
34 my $installed = $ENV{INSTALLED_TESTS};
36 my @command;
37 if ($installed) {
38         @command = qw(ikiwiki);
39 }
40 else {
41         ok(! system("make -s ikiwiki.out"));
42         @command = ("perl", "-I".getcwd."/blib/lib", './ikiwiki.out',
43                 '--underlaydir='.getcwd.'/underlays/basewiki',
44                 '--set', 'underlaydirbase='.getcwd.'/underlays',
45                 '--templatedir='.getcwd.'/templates');
46 }
48 sub write_old_file {
49         my $name = shift;
50         my $dir = shift;
51         my $content = shift;
52         writefile($name, $dir, $content);
53         ok(utime(333333333, 333333333, "$dir/$name"));
54 }
56 sub write_setup_file {
57         my %setup = (
58                 wikiname => 'this is the name of my wiki',
59                 srcdir => getcwd.'/t/tmp/in/doc',
60                 destdir => getcwd.'/t/tmp/out',
61                 url => 'http://example.com',
62                 cgiurl => 'http://example.com/cgi-bin/ikiwiki.cgi',
63                 cgi_wrapper => getcwd.'/t/tmp/ikiwiki.cgi',
64                 cgi_wrappermode => '0751',
65                 add_plugins => [qw(anonok attachment lockedit recentchanges)],
66                 disable_plugins => [qw(emailauth openid passwordauth)],
67                 anonok_pagespec => 'writable/*',
68                 locked_pages => '!writable/*',
69                 rcs => 'git',
70                 git_wrapper => getcwd.'/t/tmp/in/.git/hooks/post-commit',
71                 git_wrappermode => '0754',
72                 gitorigin_branch => '',
73         );
74         unless ($installed) {
75                 $setup{ENV} = { 'PERL5LIB' => getcwd.'/blib/lib' };
76         }
77         writefile("test.setup", "t/tmp",
78                 "# IkiWiki::Setup::Yaml - YAML formatted setup file\n" .
79                 Dump(\%setup));
80 }
82 sub thoroughly_rebuild {
83         ok(unlink("t/tmp/ikiwiki.cgi") || $!{ENOENT});
84         ok(unlink("t/tmp/in/.git/hooks/post-commit") || $!{ENOENT});
85         ok(! system(@command, qw(--setup t/tmp/test.setup --rebuild --wrappers)));
86 }
88 sub check_cgi_mode_bits {
89         my $mode;
91         (undef, undef, $mode, undef, undef,
92                 undef, undef, undef, undef, undef,
93                 undef, undef, undef) = stat('t/tmp/ikiwiki.cgi');
94         is ($mode & 07777, 0751);
95         (undef, undef, $mode, undef, undef,
96                 undef, undef, undef, undef, undef,
97                 undef, undef, undef) = stat('t/tmp/in/.git/hooks/post-commit');
98         is ($mode & 07777, 0754);
99 }
101 sub run_cgi {
102         my (%args) = @_;
103         my ($in, $out);
104         my $method = $args{method} || 'GET';
105         my $environ = $args{environ} || {};
106         my $params = $args{params} || { do => 'prefs' };
108         my %defaults = (
109                 SCRIPT_NAME     => '/cgi-bin/ikiwiki.cgi',
110                 HTTP_HOST       => 'example.com',
111         );
113         my $cgi = CGI->new($args{params});
114         my $query_string = $cgi->query_string();
116         if ($method eq 'POST') {
117                 $defaults{REQUEST_METHOD} = 'POST';
118                 $in = $query_string;
119                 $defaults{CONTENT_LENGTH} = length $in;
120         } else {
121                 $defaults{REQUEST_METHOD} = 'GET';
122                 $defaults{QUERY_STRING} = $query_string;
123         }
125         my %envvars = (
126                 %defaults,
127                 %$environ,
128         );
129         run(["./t/tmp/ikiwiki.cgi"], \$in, \$out, init => sub {
130                 map {
131                         $ENV{$_} = $envvars{$_}
132                 } keys(%envvars);
133         });
135         return $out;
138 sub run_git {
139         my (undef, $filename, $line) = caller;
140         my $args = shift;
141         my $desc = shift || join(' ', 'git', @$args);
142         my ($in, $out);
143         ok(run(['git', @$args], \$in, \$out, init => sub {
144                 chdir 't/tmp/in' or die $!;
145                 $ENV{EMAIL} = 'nobody@ikiwiki-tests.invalid';
146         }), "$desc at $filename:$line");
147         return $out;
150 sub test {
151         my $content;
152         my $status;
154         ok(! system(qw(rm -rf t/tmp)));
155         ok(! system(qw(mkdir t/tmp)));
157         write_old_file('.gitignore', 't/tmp/in', "/doc/.ikiwiki/\n");
158         write_old_file('doc/writable/one.mdwn', 't/tmp/in', 'This is the first test page');
159         write_old_file('doc/writable/two.mdwn', 't/tmp/in', 'This is the second test page');
160         write_old_file('doc/writable/three.mdwn', 't/tmp/in', 'This is the third test page');
161         write_old_file('doc/writable/three.bin', 't/tmp/in', 'An attachment');
163         unless ($installed) {
164                 ok(! system(qw(cp -pRL doc/wikiicons t/tmp/in/doc/)));
165                 ok(! system(qw(cp -pRL doc/recentchanges.mdwn t/tmp/in/doc/)));
166         }
168         run_git(['init']);
169         run_git(['add', '.']);
170         run_git(['commit', '-m', 'Initial commit']);
172         write_setup_file();
173         thoroughly_rebuild();
174         check_cgi_mode_bits();
176         ok(-e 't/tmp/out/writable/one/index.html');
177         $content = readfile('t/tmp/out/writable/one/index.html');
178         like($content, qr{This is the first test page});
179         my $orig_sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
181         # Test the git hook, which accepts git commits
182         writefile('doc/writable/one.mdwn', 't/tmp/in',
183                 'This is new content for the first test page');
184         run_git(['add', '.']);
185         run_git(['commit', '-m', 'Git commit']);
186         my $first_revertable_sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
187         isnt($orig_sha1, $first_revertable_sha1);
189         ok(-e 't/tmp/out/writable/one/index.html');
190         $content = readfile('t/tmp/out/writable/one/index.html');
191         like($content, qr{This is new content for the first test page});
193         # Test a web commit
194         $content = run_cgi(method => 'POST',
195                 params => {
196                         do => 'edit',
197                         page => 'writable/two',
198                         type => 'mdwn',
199                         editmessage => 'Web commit',
200                         editcontent => 'Here is new content for the second page',
201                         _submit => 'Save Page',
202                         _submitted => '1',
203                 },
204         );
205         like($content, qr{^Status:\s*302\s}m);
206         like($content, qr{^Location:\s*http://example\.com/writable/two/\?updated}m);
207         my $second_revertable_sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
208         isnt($orig_sha1, $second_revertable_sha1);
209         isnt($first_revertable_sha1, $second_revertable_sha1);
211         ok(-e 't/tmp/out/writable/two/index.html');
212         $content = readfile('t/tmp/out/writable/two/index.html');
213         like($content, qr{Here is new content for the second page});
215         # Another edit
216         writefile('doc/writable/three.mdwn', 't/tmp/in',
217                 'Also new content for the third page');
218         unlink('t/tmp/in/doc/writable/three.bin');
219         writefile('doc/writable/three.bin', 't/tmp/in',
220                 'Changed attachment');
221         run_git(['add', '.']);
222         run_git(['commit', '-m', 'Git commit']);
223         ok(-e 't/tmp/out/writable/three/index.html');
224         $content = readfile('t/tmp/out/writable/three/index.html');
225         like($content, qr{Also new content for the third page});
226         $content = readfile('t/tmp/out/writable/three.bin');
227         like($content, qr{Changed attachment});
228         my $third_revertable_sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
229         isnt($orig_sha1, $third_revertable_sha1);
230         isnt($second_revertable_sha1, $third_revertable_sha1);
232         run_git(['mv', 'doc/writable/one.mdwn', 'doc/one.mdwn']);
233         run_git(['mv', 'doc/writable/two.mdwn', 'two.mdwn']);
234         run_git(['commit', '-m', 'Rename files to test CVE-2016-10026']);
235         ok(! -e 't/tmp/out/writable/two/index.html');
236         ok(! -e 't/tmp/out/writable/one/index.html');
237         ok(-e 't/tmp/out/one/index.html');
238         my $sha1_before_revert = run_git(['rev-list', '--max-count=1', 'HEAD']);
239         isnt($sha1_before_revert, $third_revertable_sha1);
241         $content = run_cgi(method => 'post',
242                 params => {
243                         do => 'revert',
244                         revertmessage => 'CVE-2016-10026',
245                         rev => $first_revertable_sha1,
246                         _submit => 'Revert',
247                         _submitted_revert => '1',
248                 },
249         );
250         like($content, qr{is locked and cannot be edited});
251         # The tree is left clean
252         run_git(['diff', '--exit-code']);
253         run_git(['diff', '--cached', '--exit-code']);
254         my $sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
255         is($sha1, $sha1_before_revert);
257         ok(-e 't/tmp/out/one/index.html');
258         ok(! -e 't/tmp/in/doc/writable/one.mdwn');
259         ok(-e 't/tmp/in/doc/one.mdwn');
260         $content = readfile('t/tmp/out/one/index.html');
261         like($content, qr{This is new content for the first test page});
263         $content = run_cgi(method => 'post',
264                 params => {
265                         do => 'revert',
266                         revertmessage => 'CVE-2016-10026',
267                         rev => $second_revertable_sha1,
268                         _submit => 'Revert',
269                         _submitted_revert => '1',
270                 },
271         );
272         like($content, qr{you are not allowed to change two\.mdwn});
273         run_git(['diff', '--exit-code']);
274         run_git(['diff', '--cached', '--exit-code']);
275         $sha1 = run_git(['rev-list', '--max-count=1', 'HEAD']);
276         is($sha1, $sha1_before_revert);
278         ok(! -e 't/tmp/out/writable/two/index.html');
279         ok(! -e 't/tmp/out/two/index.html');
280         ok(! -e 't/tmp/in/doc/writable/two.mdwn');
281         ok(-e 't/tmp/in/two.mdwn');
282         $content = readfile('t/tmp/in/two.mdwn');
283         like($content, qr{Here is new content for the second page});
285         # This one can legitimately be reverted
286         $content = run_cgi(method => 'post',
287                 params => {
288                         do => 'revert',
289                         revertmessage => 'not CVE-2016-10026',
290                         rev => $third_revertable_sha1,
291                         _submit => 'Revert',
292                         _submitted_revert => '1',
293                 },
294         );
295         like($content, qr{^Status:\s*302\s}m);
296         like($content, qr{^Location:\s*http://example\.com/recentchanges/}m);
297         run_git(['diff', '--exit-code']);
298         run_git(['diff', '--cached', '--exit-code']);
299         ok(-e 't/tmp/out/writable/three/index.html');
300         $content = readfile('t/tmp/out/writable/three/index.html');
301         like($content, qr{This is the third test page});
302         $content = readfile('t/tmp/out/writable/three.bin');
303         like($content, qr{An attachment});
306 test();
308 done_testing();